corected get_fen() function, where which player has to move next is added

main.py

@@ -88,11 +88,15 @@ async def get_coords(file: UploadFile = File(...)):
     
 
 @app.post("/getFen")
-async def get_fen(file : UploadFile = File(), perspective : str = "w" | "b"):
+async def get_fen(file : UploadFile = File(), perspective : str = "w", next_to_move : str = "w"):
 
     if perspective not in ["w" , "b"]:
         return JSONResponse(content={"error" : "Perspective should be w (white) or b (black)"}, status_code=500)
     
+    if perspective not in ["w" , "b"]:
+        return JSONResponse(content={"error" : "Perspective should be w (white) or b (black)"}, status_code=500)
+    
+    
     try:
         image_content = await file.read()
         if not image_content:

routes/fen_generator.py

@@ -41,7 +41,7 @@ def get_grid_coordinate(pixel_x, pixel_y, perspective):
         print(f"Error in get_grid_coordinate: {e}")
         return None  
 
-def gen_fen(result: dict, p: str):
+def gen_fen(result: dict, p: str, next_to_move : str):
     try:
         if not isinstance(result, dict):
             print("Error: Expected a dictionary for result")
@@ -107,7 +107,10 @@ def gen_fen(result: dict, p: str):
                 fen_row += str(empty_count)
             fen_rows.append(fen_row)  # FIXED: Ensured last row is added
 
-        return "/".join(fen_rows)
+        position_fen = "/".join(fen_rows)
+        fen_notation = f"{position_fen}{next_to_move} - - 0 0"
+
+        return fen_piece
 
     except Exception as e:
         print(f"Error in gen_fen: {e}")